#include <stdio.h>
int main()
{
	int year;
	bool leap;
	printf("enter year:");
	scanf("%d",&year);
	if((year%4==0&&year%100!=0)||(year%400==0))
		printf("leap=ture");
	else
	    leap=false;
	if (leap==ture)
	   printf("%d is",year);
	else 
	   printf("%d is",year);
	   printf(" a leap year.\n");
	   return 0; 
  }  
